The hillandale hercules 30b multi fuel boiler stove powerful robust and capable of performing the most demanding task this stove has been thoroughly tried and tested to withstand the harsh rigours of multifuel or wood firingworking with your open vented central heating system to keep the whole house cosy the hercules has 30kw output and will not only radiate heat around the largest rooms but will also power a central heating and hot water systemcan also burn coal which is suitable for a